import requests
url = 'https://fanyi.baidu.com/sug'
param = {'kw':'sad'}
headers = {'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.198 Safari/537.36'}
resp = requests.post(url=url,params=param,headers=headers)
